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Note 10 - Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
For the nine months ended January 31, 2022, operating leases	$ 1,676
For the nine months ended January 31, 2022, finance leases	224
For the year ended January 31, 2023, operating leases	2,279
For the year ended January 31, 2023, finance leases	288
For the year ended January 31, 2024, operating leases	2,265
For the year ended January 31, 2024, finance leases	156
For the year ended January 31, 2025, operating leases	1,516
For the year ended January 31, 2025, finance leases
For the year ended January 31, 2026, operating leases	1,326
For the year ended January 31, 2026, finance leases
For the year ended January 31, 2027, operating leases	1,333
For the year ended January 31, 2027, finance leases
Thereafter, operating leases	12,322
Thereafter, finance leases
Total lease payments, operating leases	22,717
Total lease payments, finance leases	668
Less: amount representing interest, operating leases	(9,221)
Less: amount representing interest, finance leases	(56)
Total lease liabilities, operating leases	13,496	$ 14,576
Total lease liabilities, finance leases	$ 612	$ 701

X

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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